package com.atguigu.lease.web.app.custom.interceptor;

import com.atguigu.lease.common.exception.LeaseException;
import com.atguigu.lease.common.result.ResultCodeEnum;
import com.atguigu.lease.common.utils.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
@Component
public class AuthenticationInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //从约定请求头中获取token
        String accessToken = request.getHeader("access_token");
        //检验是否有token 没有token则视为没有登录
        if (accessToken==null) {
            //没有token 即没有登录 抛出异常
            throw new LeaseException(ResultCodeEnum.ADMIN_LOGIN_AUTH);
        }
        //检查token是否正确
        JwtUtil.parseToken(accessToken);
        return true;
    }
}
